Apollo Horticulture 24W LED Grow Light w/ Red & Blue LED Spectrum for Indoor Plant Growing Package Includes: 1 - Apollo Horticulture 12 Watt LED Light Bulb / 120-240V, 60Hz / Diameter: 4.875 Inches / Length: 4.75 Inches / Color Spectrum: Red - 630nm, 660nm & Blue - 460nm RED & BLUE LIGHT FOR OPTIMAL GROWTH: Give your grows both the red and blue light spectrums they require. Our LED light bulbs blue light (460nm wavelength) triggers growth and boosts photosynthesis for fuller and more compact leaves; the red light (630nm and 660 nm wavelengths) enhances flowering and fruiting. By combining the benefits of both spectrums, you gain overall larger and higher yields, no matter what kinds of plants youre growing in your home  herbs, flowers, fruits, or vegetables. E26 SOCKET FOR UNIVERSAL FIT: No ballast or growing light equipment? No problem! These LED bulbs feature standard household E26 sockets so they can be fitted into almost any lamp, even your desk lamp. Quick and simple installation, with no specialized equipment or tools required so you can get growing right away! ENERGY EFFICIENCY: Our LED bulbs consume less energy, all while providing you with high luminous efficiency, a long lifespan, and consistent light output. LED bulbs also generate less heat compared to other grow light bulbs, meaning they can be placed closer to your plants. Achieve more abundant grows while spending less on your electricity bill, and see your indoor garden or grow space flourish to its full potential. TOP CUSTOMER CARE: Your Apollo Horticulture 12 Watt LED Light Bulb is backed by our exceptional customer service team and comes standard with a limited 2-year warranty. It is our commitment to be your guiding light in the world of indoor growing, and to be the grow light company that you will want to do business with again and again.